Sabirov, L.M. and Semenov, D.I. 2019. Different Structural States of 4-Methylpyridine–Water Solutions: Experimental Study of the Adiabatic Compressibility at the Hypersonic Frequency. Ukrainian Journal of Physics. 60, 9 (Jan. 2019), 868. DOI:https://doi.org/10.15407/ujpe60.09.0868.